Wing Sung 601 Steel Cap Vacumatic Fountain Pen with Ink Window, Extra Fine Nib (Blue-Green)Vintage Vacumatic Filling System: Features a classic Vacumatic mechanism that draws ink through a vacuum process, offering a nostalgic, hands on filling experience. Durable Steel Cap with Double Bead Design: Designed with a robust steel cap and elegant double bead accents that enhance both durability and style. Practical Ink Window: Equipped with a transparent ink window on the barrel, allowing you to easily monitor ink levels at a glance. Smooth

also pen lover and collection

Multi-Pen Compatibility: Suitable for all fountain pens

It also comes with a converter for bottled ink

and beautifully transparent to showcase ink colors

and presented in a sleek black paper gift box—a perfect gift for writers

Excellent Acrylic material for Barrel and cap

Ergonomic Design – Carefully weighted for long writing sessions without fatigue

and 5 vibrant ink colors (Black

5mm) for consistent ink flow and precision writing

easy to install and upgrade

5mm) delivers a consistent ink flow for effortless writing

1 x Screw-type Converter